<!-- ... existing code ... -->
<main>
    <section id="purchase-order-list">
        <h2>采购订单管理</h2>
        <div class="toolbar">
            <button id="refresh-btn">刷新</button>
            <button id="create-order-btn">创建订单</button>
            <button id="search-order-btn">查询订单</button>
        </div>
        <table id="purchase-orders-table">
            <thead>
                <tr>
                    <th>订单编号</th>
                    <th>供应商ID</th>
                    <th>总金额</th>
                    <th>订单日期</th>
                    <th>状态</th>
                    <th>创建时间</th>
                    <th>操作</th>
                </tr>
            </thead>
            <tbody>
                <!-- 采购订单数据将通过JavaScript动态加载 -->
            </tbody>
        </table>
    </section>
</main>
<!-- ... existing code ... -->